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Diffstat (limited to 'src-qt5/core/lumina-desktop/src-screensaver/animations/Fireflies.h')
-rw-r--r-- | src-qt5/core/lumina-desktop/src-screensaver/animations/Fireflies.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src-qt5/core/lumina-desktop/src-screensaver/animations/Fireflies.h b/src-qt5/core/lumina-desktop/src-screensaver/animations/Fireflies.h new file mode 100644 index 00000000..dfc12e79 --- /dev/null +++ b/src-qt5/core/lumina-desktop/src-screensaver/animations/Fireflies.h @@ -0,0 +1,122 @@ +//=========================================== +// Lumina-DE source code +// Copyright (c) 2015, Ken Moore +// Available under the 3-clause BSD license +// See the LICENSE file for full details +//=========================================== +// This class is the sample plugin for a ScreenSaver animation +//=========================================== +#ifndef _LUMINA_DESKTOP_SCREEN_SAVER_FIREFLIES_ANIMATION_H +#define _LUMINA_DESKTOP_SCREEN_SAVER_FIREFLIES_ANIMATION_H + +#include "global-includes.h" +#include "BaseAnimGroup.h" +#include <QSequentialAnimationGroup> +#include <QGraphicsOpacityEffect> + +class Firefly : public QSequentialAnimationGroup{ + Q_OBJECT +private: + QWidget *fly; + QPropertyAnimation *movement, *flash; + int maxX, maxY; //maximum jitter in X/Y directions + QSize range; +private slots: + void LoopChanged(){ + //Adjust the movement animation a bit + movement->setStartValue(movement->endValue()); //start at the previous end point + QPoint pt = movement->startValue().toPoint(); + QPoint diff( (qrand()% maxX) - (maxX/2), (qrand()% maxY) - (maxY/2) ); + //Need to ensure it stays in the current box + if( (pt.x()+diff.x()) < 0 || (pt.x()+diff.x())>range.width()){ pt.setX(pt.x() - diff.x()); } //reverse the direction - otherwise will go out of bounds + else{ pt.setX( pt.x() + diff.x() ); } + if( (pt.y()+diff.y()) < 0 || (pt.y()+diff.y())>range.height()){ pt.setY(pt.y() - diff.y()); } //reverse the direction - otherwise will go out of bounds + else{ pt.setY( pt.y() + diff.y() ); } + movement->setEndValue(pt); + movement->setDuration( qrand() %500 + 1000); //between 1000->1500 ms animations for movements + //Adjust the flash duration/size a bit + flash->setDuration(qrand() %200 + 500); //500-700 ms + int sz = qrand()%4 + 4; //6-10 pixel square + //flash->setKeyValueAt(0.5, (qrand()%50) /100.0); + //fly->resize(sz,sz); + flash->setKeyValueAt(0.5, QSize(sz,sz)); //half-way point for the flash + + fly->show(); + } + void stopped(){ fly->hide(); } + +public: + Firefly(QWidget *parent) : QSequentialAnimationGroup(parent){ + fly = new QWidget(parent); + range = parent->size(); + maxX = range.width()/4; maxY = range.height()/4; + QString B = QString::number(qrand()%70); + QString RY = QString::number(qrand()%200+50); + QString style = "background-color: qradialgradient(spread:pad, cx:0.5, cy:0.5, radius:0.5, fx:0.5, fy:0.5, stop:0 rgba(245, 245, 143, 200), stop:0.83871 rgba(%1, %1, %2, 140), stop:0.99 rgba(0, 0, 0, 255), stop:1 transparent);"; + fly->setStyleSheet(style.arg(RY, B) ); + //setup the movement animation + movement = new QPropertyAnimation(fly); + movement->setTargetObject(fly); + movement->setPropertyName("pos"); + movement->setEndValue( QPoint( qrand() % range.width(), qrand()%range.height()) ); //on anim start, this will become the starting point + //setup the flashing animation + /*QGraphicsOpacityEffect *eff = new QGraphicsOpacityEffect(parent); + fly->setGraphicsEffect(eff); + flash = new QPropertyAnimation(eff, "opacity");*/ + flash = new QPropertyAnimation(this); + flash->setTargetObject(fly); + flash->setPropertyName("size"); + flash->setStartValue(QSize(0,0)); + flash->setEndValue(flash->startValue()); + //fly->setProperty("opacity",0); + //flash->setPropertyName("opacity"); + //flash->setStartValue(0); + //flash->setEndValue(0); + //now setup the order of the animations + this->setLoopCount(100); //do this 100 times + //Roughly half the number of fireflies with start with movement/flash + if(qrand()%2 == 1){ + this->addAnimation(movement); + this->addAnimation(flash); + }else{ + this->addAnimation(flash); + this->addAnimation(movement); + } + //Start up this firefly + LoopChanged(); //load initial values + + fly->setGeometry( QRect(movement->startValue().toPoint(), flash->startValue().toSize()) ); + connect(this, SIGNAL(currentLoopChanged(int)), this, SLOT(LoopChanged()) ); + connect(this, SIGNAL(finished()), this, SLOT(stopped()) ); + } + ~Firefly(){} + +}; + +class FirefliesAnimation : public BaseAnimGroup{ + Q_OBJECT +private: + QList<Firefly*> fireflies; + +public: + FirefliesAnimation(QWidget *parent) : BaseAnimGroup(parent){} + ~FirefliesAnimation(){ + this->stop(); + //while(fireflies.length()>0){ fireflies.takeAt(0)->deleteLater(); } + } + + void LoadAnimations(){ + while(fireflies.length()>0){ fireflies.takeAt(0)->deleteLater(); } + canvas->setStyleSheet("background: black;"); + int number = readSetting("number",qrand()%30 + 50).toInt(); + for(int i=0; i<number; i++){ + if(fireflies.length()>number){ continue; } + Firefly *tmp = new Firefly(canvas); + this->addAnimation(tmp); + fireflies << tmp; + } + + } + +}; +#endif |